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FAQ
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How can I change the default ringtone and adjust the volume for incoming calls?
# Ringtone & Sounds
What should I do if the in-built applications of my device do not work?
# Internet & Applications
What should I do if my device cannot connect to the internet using mobile data?
# Internet & Applications
Why can’t I connect to a specific Wi-Fi router?
# Internet & Applications
What should I do if the NFC (Near Field Communication) function doesn’t work?
# Internet & Applications
What should I do if the Multi-screen Share connection fails?
# Internet & Applications
What should I do if my device cannot send or receive messages?
# Message
What should I do if I cannot receive calls or miss calls constantly?
# Device
How can I use a SIM card to make video calls?
# Device
What should I do if there is no sound or poor audio on my device?
# Ringtone & Sounds
What should I do if my device network signal is weak/there is a low reception level?
# Internet & Applications
How can I transfer data from the internal storage to the SD card?
# Storage
How can I set up my SD card?
# Storage
How to remove Google account from your device?
# Security
What should I do if my device system lags or freezes?
# Troubleshooting
What should I do if my device cannot charge or charges slowly?
# Troubleshooting
What should I do if my fingerprint unlock function works slowly or fails?
# Troubleshooting
What should I do if my device’s battery drains under normal use?
# Troubleshooting
What should I do if my device auto powers off?
# Troubleshooting
What can I do if my device heats up?
# Troubleshooting
How can I perform a factory reset on my device?
# Back Up & Reset
How can I upgrade my device?
# Basic Settings
How can I check the IMEI number of my device?
# Basic Settings
How can I change the language of the device?
# Basic Settings
How can I take a screenshot?
# Basic Settings
How can I change font size on display?
# Basic Settings
How can I manage app notifications quickly and easily?
# Basic Settings
How can I change the permissions for my apps?
# Basic Settings
How can I create a video of what’s on the screen?
# Basic Settings
What to do with my used terminals?
# Basic Settings
What should I do if my device cannot power on?
# Troubleshooting
What should I do if I cannot turn on the camera app?
# Camera
What should I do if the image quality of a camera capture or video capture is poor?
# Camera
How can I use the Multi-screen Share function?
# Device
What should I do if I experience a slow response or incorrect action when touching the screen?
# Home Screen
What should I do if my screen is just showing a completely black/blue/white display?
# Home Screen
What should I do if my screen has a line(s) or spot(s) on the display or incomplete display?
# Home Screen
What should I do if the navigation buttons disappear from my screen?
# Home Screen
How can I know whether my device will work with my SIM carrier?
# Internet & Applications
How can I set up my SD card?
# Storage
What should I do if my device cannot connect to the internet using mobile data?
# Internet & Applications
Why can’t I connect to a specific Wi-Fi router?
# Internet & Applications
What should I do if the NFC (Near Field Communication) function doesn’t work?
# Internet & Applications
What should I do if the Multi-screen Share connection fails?
# Internet & Applications
What should I do if my device cannot send or receive messages?
# Message
What should I do if I cannot receive calls or miss calls constantly?
# Device
What should I do if there is no sound or poor audio on my device?
# Ringtone & Sounds
How can I change the default ringtone and adjust the volume for incoming calls?
# Ringtone & Sounds
How can I transfer data from the internal storage to the SD card?
# Storage
What should I do if the in-built applications of my device do not work?
# Internet & Applications
How to remove Google account from your device?
# Security
What should I do if my device system lags or freezes?
# Troubleshooting
What should I do if my device cannot charge or charges slowly?
# Troubleshooting
What should I do if my fingerprint unlock function works slowly or fails?
# Troubleshooting
What should I do if my device’s battery drains under normal use?
# Troubleshooting
What should I do if my device auto powers off?
# Troubleshooting
What can I do if my device heats up?
# Troubleshooting
What should I do if my device cannot power on?
# Troubleshooting
What should I do if I cannot receive calls or miss calls constantly?
# Device
How can I perform a factory reset on my device?
# Back Up & Reset
How can I upgrade my device?
# Basic Settings
How can I check the IMEI number of my device?
# Basic Settings
How can I change the language of the device?
# Basic Settings
How can I take a screenshot?
# Basic Settings
How can I change font size on display?
# Basic Settings
How can I manage app notifications quickly and easily?
# Basic Settings
How can I change the permissions for my apps?
# Basic Settings
How can I create a video of what’s on the screen?
# Basic Settings
What to do with my used terminals?
# Basic Settings
How can I use a SIM card to make video calls?
# Device
What should I do if the image quality of a camera capture or video capture is poor?
# Camera
How can I use the Multi-screen Share function?
# Device
What should I do if I experience a slow response or incorrect action when touching the screen?
# Home Screen
What should I do if my screen is just showing a completely black/blue/white display?
# Home Screen
What should I do if my screen has a line(s) or spot(s) on the display or incomplete display?
# Home Screen
What should I do if the navigation buttons disappear from my screen?
# Home Screen
How can I know whether my device will work with my SIM carrier?
# Internet & Applications
What should I do if my device network signal is weak/there is a low reception level?
# Internet & Applications
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